/*
 * Copyright (c) 2020, 2023, Huawei Technologies Co., Ltd. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

#include "jbooster/net/errorCode.hpp"
#include "runtime/os.hpp"
#include "utilities/debug.hpp"

#define REGISTER_JB_ERROR_CODE_NAMES_AND_MESSAGES(err_name, human_readable) #err_name, human_readable,

static const char* jb_err_code_name_str_arr[] = {
  "GOOD", "Nothing is wrong",
  JB_ERROR_CODES(REGISTER_JB_ERROR_CODE_NAMES_AND_MESSAGES)
  "END_OF_JB_ERROR_CODE", "Should not reach here!"
};

#undef REGISTER_JB_ERROR_CODE_NAMES_AND_MESSAGES

const char* JBErr::err_name(int err_code) {
  if (err_code > 0) return os::errno_name(err_code);
  guarantee(-err_code <= err_cnt(), "unknown error code: %d", err_code);
  int index = -err_code * 2;
  return jb_err_code_name_str_arr[index];
}

const char* JBErr::err_message(int err_code) {
  if (err_code > 0) return os::strerror(err_code);
  guarantee(-err_code <= err_cnt(), "unknown error code: %d", err_code);
  int index = -err_code * 2 + 1;
  return jb_err_code_name_str_arr[index];
}
